import type { IPaymentElementManager, IStripeService, PaymentElementState } from './interfaces';
import type { StripePaymentElement, StripePaymentElementOptions, StripeCheckoutPaymentElementOptions } from '@stripe/stripe-js';
/**
 * Payment Element Manager
 * Manages Stripe Payment Element (unified payment form)
 * with dependency injection of StripeService
 * Supports both Payment Intent mode and Checkout Session mode
 */
export declare class PaymentElementManager implements IPaymentElementManager {
    private stripeService;
    private paymentElement?;
    private store;
    /**
     * Constructor with dependency injection
     * @param stripeService - Injected Stripe service instance
     */
    constructor(stripeService: IStripeService);
    /**
     * Get current payment element state (reactive)
     */
    getState(): PaymentElementState;
    /**
     * Initialize and mount payment element to DOM
     * Supports both Payment Intent mode and Checkout Session mode
     * @param containerElement - Parent element containing mount point
     * @param options - Optional payment element options
     * @returns Promise resolving to payment element instance
     */
    initialize(containerElement: HTMLElement, options?: StripePaymentElementOptions | StripeCheckoutPaymentElementOptions): Promise<StripePaymentElement>;
    /**
     * Get mounted payment element instance
     */
    getElement(): StripePaymentElement | undefined;
    /**
     * Set error message (triggers reactivity)
     */
    setError(message: string): void;
    /**
     * Clear error message (triggers reactivity)
     */
    clearError(): void;
    /**
     * Unmount payment element
     */
    unmount(): void;
}